HBO Co-President Promoted to Channel's Top Job

Time Warner Inc. named Richard Plepler as chief executive of its Home Box Office unit, part of a broader generational shift under way atop several of the company's divisions.

Mr. Plepler, 53 years old, a co-president of HBO since 2007, succeeds Bill Nelson, 63, who has been CEO since 2007. Both had been appointed as part of a management shakeup after the departure of Chris Albrecht as CEO. Their new team, which also included Michael...